Update README.md

now "pay" and "paytomany" sign transaction and broadcast it. Returns TXID

Update ElectrumPHP.php

PayToMany Fix

Added method to return the number of confirmations of a TXID

change 'getTransaction' to return transaction deseralized

fix php version

Bugfix in start/stop Electrum Daemon

Added Validate Bitcoin Address

Add estimate fee, bests inputs and suggest change

Update README.md

Bugfix